Jess Cockerill

Articles by Jess Cockerill

Just 30 Minutes of One Type of Exercise Improves Sleep The Most - ScienceAlert

Health August 11, 2026

Scientists know exercise is an important factor in getting a good night's sleep, but it's unclear which types of exercise have the greatest effects. From resistance training and HIIT (high-intensityοΏ½...

The World's Vegetables Are Vanishing, And It's Quietly Wrecking Our Diets - ScienceAlert

Technology August 10, 2026

Most of us aren't eating anywhere near enough vegetables, and we're suffering the health consequences. Meanwhile, we're also growing fewer and fewer varieties of vegetables, adding to the declining οΏ½...

'Natural Protection From Asthma And Allergies': Scientists Isolate Bacteria Behind The Immune System Farm Effect - ScienceAlert

Health August 3, 2026

For decades, scientists have theorized that kids actually need to get a bit dirty for their immune systems to develop fully. It's known as the 'hygiene hypothesis'. And, as childhood rates of allergοΏ½...

A Human-Safe Drug Reduces Multiple Signs of Alzheimer's in Mice - ScienceAlert

Health July 14, 2026

Early in the progression of Alzheimer's and other neurodegenerative diseases, DNA inside neurons starts showing signs of weakness. Double-strand breaks in which both 'legs' of the DNA ladder are snaοΏ½...

Scientists Identify a Hormone Spike Linked to Anorexia Nervosa - ScienceAlert

Health July 13, 2026

Anorexia nervosa is a serious, life-threatening eating disorder that is notoriously difficult to recover from. Doctors can help patients restore their nutrients and energy, while psychologists can hοΏ½...

An Illegal Injectable Tanning Drug Is Trending on TikTok – And It's Giving People Dangerous Moles - ScienceAlert

Health July 11, 2026

Dermatologists in multiple countries are expressing concern about TikTok influencers promoting what is known by some as 'the Barbie drug'. The drug, melanotan II, is banned as a cosmetic product in οΏ½...

Tattoos Affect Your Immune System in Ways Scientists Are Just Beginning to Understand - ScienceAlert

Health July 3, 2026

Humans have been tattooing themselves for thousands of years, for spiritual,cultural, or personal reasons. Long before we were covering ourselves in ironic stick'n'pokes, butterfly tramp stamps, orοΏ½...

Ovaries Appear to Develop an Incredible Second Role After Menopause - ScienceAlert

Health July 2, 2026

We've all heard of menopause: a supposedly terminal moment for the female reproductive system, in which the ovaries stop releasing eggs and presumably call it a day. But reproductive biologist FrancοΏ½...

Scientists Find Hidden 'Focus Switch' in The Brain – And It May Hold Clues to ADHD - ScienceAlert

Health July 1, 2026

The ability to focus is not unique to humans or even to primates. Birds, reptiles, and even fish can direct their attention at a narrow target, filtering out peripheral distractions. This ability οΏ½...

Study Reveals Optimal Number of Daily Steps to Offset Sitting Down - ScienceAlert

Health June 19, 2026

You've probably heard that adults should aim for 10,000 daily steps. This one-size-fits-all approach provides a clear message, though it doesn't consider how varied human lifestyles and bodies are. οΏ½...